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Top Questions

2 votes
2 answers
85 views

How Much is Too Much Land for One Province?

4 votes
4 answers
894 views

Would having nail polish applied interfere with any process in an animal's horn?

8 votes
9 answers
3k views

How do we survive in post-apocalyptical permanent nighttime (with no electricity, communication, running water, and aliens of course)?

5 votes
6 answers
820 views

How could people survive teleporting into the atmosphere while surrounded by vacuum?

2 votes
3 answers
52 views

How might a lower gravity planet sustain a warm, earth-like atmosphere?

6 votes
3 answers
1k views

Is orangeish water possible on an alien planet with advanced life?

2 votes
0 answers
38 views

Can we Accelerate antarctica's post-glacial rebound?

4 votes
2 answers
70 views

Are there Tides Affecting Stellar Brightness?

2 votes
1 answer
32 views

Is there development of advanced polymers/composite materials?

0 votes
1 answer
93 views

What life forms would appear around decaying animal carcasses in a temperate, rocky desert?

3 votes
3 answers
99 views

What colour is the foliage if the sky is yellowish?

2 votes
1 answer
58 views

What are the Celestial observations and mythology on a ringed planet?

5 votes
5 answers
980 views

Were there problems for Babbage's Analytical Engine in 1850s? [closed]

2 votes
4 answers
273 views

How long until all detectable space debris leaves orbit of a planet?

1 vote
2 answers
209 views

Anatomically Correct Buraq

4 votes
3 answers
83 views

What could reduce sunlight on an Earth-like planet?

-2 votes
1 answer
29 views

How would an armed bipedal mech stay standing up when moving around [duplicate]

1 vote
3 answers
102 views

What does it feel like to be cloned at the beginning of the day and merged at the end of the day? [closed]

2 votes
3 answers
190 views

How would school uniforms be designed? [closed]

2 votes
2 answers
105 views

How about this Unnatural eyeball shape?

4 votes
3 answers
227 views

Is a world where all the water is "heavy water" possible?

5 votes
3 answers
227 views

How should the human respiratory system be changed to be able, in addition to oxygen, to breathe chlorine or hydrogen sulfide?

105 votes
9 answers
18k views

What could make a star green?

2 votes
2 answers
109 views

What geographic changes need to occur to make Southern Australia fertile?

2 votes
2 answers
86 views

If Earth was less massive, with 25% less gravity and an atmosphere scaled down proportionately, how would that affect climate?

3 votes
3 answers
84 views

Can a big creature have a flagellar-like motor for flying?

1 vote
2 answers
59 views

Anatomically Correct Winged Kappa

28 votes
14 answers
5k views

How can we make an alien atmosphere breathable, but uncomfortable?

1 vote
2 answers
113 views

What percentage of saline does water need to be to become hazardous to skin?

5 votes
8 answers
3k views

I have an armada of teleporting sky fortresses. Do I still need a navy? [duplicate]

70 votes
19 answers
10k views

Any good way for an AI to prove that they are an AI?

4 votes
2 answers
87 views

Are there any alternative solvents to water at -180 Celsius that hypothetical cells could use?

5 votes
0 answers
68 views

Acetylene and Methane biology questions

0 votes
4 answers
111 views

How could I easily tell an Android from a human? [closed]

8 votes
6 answers
364 views

How can civlization industrialize amidst a zombie outbreak?

11 votes
11 answers
6k views

Could a super high pressure canister act as a bomb?

-3 votes
1 answer
127 views

How does interspecies romance work between fantasy races? [closed]

3 votes
3 answers
389 views

How do we tell a biosphere has been tampered with? [closed]

6 votes
2 answers
109 views

Can we have a mycelium tech-tree?

5 votes
1 answer
269 views

My eusocial species has biological radio and limited verbal speech. Is this plausible?

0 votes
3 answers
67 views

How are macro-molecules made in cells? [closed]

-3 votes
0 answers
48 views

How might a soviet coup have occurred in the wake of the Chernobyl Disaster? [closed]

6 votes
3 answers
679 views

What are some alternatives to tannin in plant bark?

1 vote
2 answers
151 views

Could whale-sized creatures propel themselves through the sea by expelling water like a cephalopod?

4 votes
4 answers
704 views

Why would some species from the Homo genus be much more likely to be autistic than Homo sapiens?

16 votes
7 answers
2k views

How could the sky be orange in a breathable atmosphere?

5 votes
8 answers
620 views

How can farming be used to gain energy that powers a crystal?

1 vote
3 answers
137 views

How can a desert be converted into a lush rainforest with magic?


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